Geographic Regions and Area Codes in Columbus, Ohio

Columbus, Ohio, is centrally located in the state at the confluence of the Scioto and Olentangy rivers. The city covers a land area of 220.04 square miles (569.9 km²) and continues to expand through extensions and annexations, making it one of the fastest-growing large cities in the nation. Columbus is geographically close to many major cities and is bisected by two major Interstate Highways, Interstate 70 and Interstate 71.

Columbus operates in the Eastern Standard Time (EST) zone, which is UTC−5. The city is served by two area codes: 614 and 380. Area code 614 covers the central location of Ohio and its nearby areas, including the counties of Delaware, Franklin, Fairfield, Pickaway, and Madison. Area code 380 is an overlay to the 614 numbering plan area and serves the Columbus metropolitan area and neighboring towns like Grove City, Hilliard, and Upper Arlington.